Handheld PID technology ensures extended operation in tough conditions

Contaminated land remediation specialist, Provectus Remediation Ltd has been providing turnkey solutions to the regeneration industry for over 25 years. This has included the first use of in-situ thermal desorption in Europe, fixed price remediation and insurance backed risk transfer packages and innovative funding solutions.

The company have recently replaced an old photoionsisation detector (PID) with the Ion Science VOC monitor from Shawcity. The proven, high performance instrument was chosen by the Essex-based company for its MiniPID sensor’s humidity resistance and anti-contamination design.

Provectus is using the Tiger to indicate VOC concentrations in contaminated ground during investigations, trials and treatment. The instrument is occasionally used to check occupational exposure on very contaminated sites.
Another regular application is to calculate total mass loading in organic vapour extraction systems when combined with regular lab analysis and is typically used by Provectus to take between 10 and 20 measurements per day.

Simon Dockerty, Process and Systems Manager at Provectus comments: “After many years of use, we needed to replace an older PID that had started to become unreliable and uneconomic to maintain. Having used Ion Science instruments before, I was familiar with their quality and ease of use.

“As well as accuracy and simplicity, we chose the Tiger for its excellent lamp technology. Given that the instrument is used to monitor soil and boreholes in muddy fields, a robust and reliable lamp is very important.”

Providing market-leading accuracy and run time, the Tiger’s PID sensor utilises advanced patented Fence Electrode technology, a three-electrode format with increased resistance to humidity (up to 99% RH) and contamination. This maximises accuracy and dependability by removing high backgrounds and false-positives in high-humidity environments. The anti-contamination design also reduces calibration frequency.

Simple to set up, the Tiger is designed for rapid detection with an unrivalled response time of just two seconds, and the widest measurement range of one part per billion (ppb) to 20,000 parts per million (ppm).

It offers worldwide Intrinsic Safety (IS) certification and also meets ATEX, IECEx, North American and Canadian standards. Inexpensive disposable parts such as filters and lamps are easy to change, minimising downtime and simple connectivity to a PC via the USB provides quick data downloading.

As expected, the Tiger PID has proved robust, reliable and easy to use. The service provided by Ion Science and its distributor Shawcity has also been excellent,” Simon concludes.

To view our wide range of PID monitors including the Tiger visit: http://www.shawcity.co.uk/VOCs-and-Gas/PID-and-Gas-Monitors

For more information contact the Shawcity team on 01367 899565 or email solutions@shawcity.co.uk.

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